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VCOM DC ADJUSTMENT
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Purpose
Readjust the VCOM value to minimize the flicker of the LCD after replacing the LCD or the main PCB.
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Necessary tools
1. Camera (Charge its battery fully)
2. Photo diode (S2281-01) : See Fig 1.
3. Photo sensor amp
(C9329)
: See Fig 2.
4. BNC-BNC cable (E2573) x 2 : See Fig 3.
5. 9-volt alkaline battery (6LR61Y) x 2 : See Fig 4.
6. Oscilloscope
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Preparation
1. The three tools can be obtained from the following global site.
Photo diode (S2281-01)
Photo sensor amp
(C9329)
BNC-BNC cable (E2573)
www.hamamatsu.com/
2. 9-volt alkaline battery is a standard one, but can be obtained from the following global site as well.
www.panasonic.co.jp/global/
Fig1 Photo Diode (S2281-01)
Fig2 Photo Sensor Amp
(C9329)
Fig3 BNC-BNC Cable (E2573)
Fig4 6LR61Y
